11009091100 has 72 divisors (see below), whose sum is σ = 27817782048. Its totient is φ = 3703315200.

The previous prime is 11009091077. The next prime is 11009091103. The reversal of 11009091100 is 119090011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009091103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111271 + ... + 185470.

It is an arithmetic number, because the mean of its divisors is an integer number (386358084).

Almost surely, 2^11009091100 is an apocalyptic number.

11009091100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11009091100 is an abundant number, since it is smaller than the sum of its proper divisors (16808690948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11009091100 is a wasteful number, since it uses less digits than its factorization.

11009091100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296815 (or 296808 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 11009091100 in words is "eleven billion, nine million, ninety-one thousand, one hundred".